More strong mode changes to analysis_server

pkg/analysis_server/test/source/caching_put_package_map_provider_test.dart

Index: pkg/analysis_server/test/source/caching_put_package_map_provider_test.dart
diff --git a/pkg/analysis_server/test/source/caching_put_package_map_provider_test.dart b/pkg/analysis_server/test/source/caching_put_package_map_provider_test.dart
index 9aa321b2a077287b2253917c0b34466efb4dc636..98f1165add0356b67243bf820ba4eda14a0db7bb 100644
--- a/pkg/analysis_server/test/source/caching_put_package_map_provider_test.dart
+++ b/pkg/analysis_server/test/source/caching_put_package_map_provider_test.dart
@@ -45,7 +45,7 @@ main() {
       packages.forEach((String name, String path) {
         resProvider.newFolder(path);
       });
-      List<String> inputFiles = result['input_files'];
+      List<String> inputFiles = result['input_files'] as List<String>;
       for (String path in inputFiles) {
         resProvider.newFile(path, '');
       }
@@ -282,7 +282,7 @@ main() {
 
 _assertError(PackageMapInfo info, Map expected) {
   expect(info.packageMap, isNull);
-  List<String> expectedFiles = expected['input_files'];
+  List<String> expectedFiles = expected['input_files'] as List<String>;
   expect(info.dependencies, hasLength(expectedFiles.length));
   for (String path in expectedFiles) {
     expect(info.dependencies, contains(path));
@@ -290,14 +290,15 @@ _assertError(PackageMapInfo info, Map expected) {
 }
 
 _assertInfo(PackageMapInfo info, Map expected) {
-  Map<String, String> expectedPackages = expected['packages'];
+  Map<String, String> expectedPackages =
+      expected['packages'] as Map<String, String>;
   expect(info.packageMap, hasLength(expectedPackages.length));
   for (String key in expectedPackages.keys) {
     List<Folder> packageList = info.packageMap[key];
     expect(packageList, hasLength(1));
     expect(packageList[0].path, expectedPackages[key]);
   }
-  List<String> expectedFiles = expected['input_files'];
+  List<String> expectedFiles = expected['input_files'] as List<String>;
   expect(info.dependencies, hasLength(expectedFiles.length));
   for (String path in expectedFiles) {
     expect(info.dependencies, contains(path));